Lakeshore 642 User Manual page 14

Specifications (Continued)
Output programming
Internal current setting
Resolution
Settling time
Accuracy
Operation
Protection
Internal current ramp
Ramp rate
Update rate
Ramp segments
Operation
Protection
External current programming
Sensitivity
Resolution
Accuracy
Input resistance
Operation
Limits
Connector
Readings
Output current
Resolution
Accuracy
Update rate
Output voltage (at supply terminals)
Resolution
Accuracy
Update rate
Front panel
Display type
Display readings
Display settings
Display annunciators
LED annunciators
Audible annunciator
Keypad type
Keypad functions
Power
1-4
Lake Shore Model 642 Electromagnet Power Supply User's Manual
0.1 mA (20 bit)
600 ms for 1% step to within 1 mA (of internal setting)
±10 mA ±0.05% of setting
Keypad, computer interface
Programmable current setting limit
0.1 mA/s to 99.999 A/s (compliance limited)
23.7 increments/s
5
Keypad, computer interface
Programmable ramp rate limit
10 V/70 A
Analog
±10 mA ±1% of setting
20 k
Voltage program through rear panel, can be summed with internal current setting
Internally clamped at 10.1 V and bandwidth limited at 40 Hz to protect output
Shared 15-pin D-sub
0.1 mA
5 mA 0.05% of rdg
2.5 rdg/s display, 10 rdg/s interface
1mV
5 mV 0.05% of rdg
2.5 rdg/s display, 5 rdg/s interface
8-line by 40-character graphic vacuum fluorescent display module
Output current, output voltage, and internal water temperature
Output current and ramp rate
Status and errors
Fault, Compliance, Power Limit, Ramping, Remote
Errors and faults
26 full travel keys
Direct access to common operations, menu-driven setup
White flush ON and black extended OFF push buttons
Introduction